Page 56 - 2019-12

橡塑技术与装备（塑料） CHINA RUBBER/PLASTICS TECHNOLOGY AND EQUIPMENT (PLASTICS)

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Progress in preparation and application of graphene-polyimide
nanocomposites

Zhou Chengfei
(Beijing Radiation Center for Research and Application, Beijing 100015, China)
Abstract: In this paper, the preparation methods of graphene-polyimide nanocomposites are introduced.
The applications of graphene-polyimide nanocomposites in sensors, separation membranes, ion proton
exchange membranes, battery materials, low dielectric materials and electronic materials are reviewed.
Key words: graphene; polyimide; nanocomposites; in-situ polymerization; solution blending
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东丽开发新型纳米层薄膜
Toray developed New nano-layer thin films

日本东丽实业宣布，成功开发出了一种具有高紫外线 (UV) 阻挡性的透明薄款纳米薄膜，可遮挡 99.99% 的
紫外线。
该公司将在现有的 Picasus 系列纳米薄膜中新增一个产品等级，命名为 Picasus UV。东丽将在 OLED 显示器
应用领域推广该材料以延长设备使用寿命，并预计将在 2020 年得到全面采用。新材料上市后的 3 年内，使其年
销售额达到数十亿日元水平。
据了解，东丽开发的 Picasus UV 薄膜由两种只有纳米级厚度的聚酯层组成，成百上千层纳米级薄层叠放在
一起形成了薄膜。紫外线在这些多层膜中反复反射和吸收，能够有效地被阻挡。由于传统的薄膜不能简单地通过
添加紫外线吸收剂来实现这一功能，东丽新开发的新产品显著提高了紫外线遮挡性。
OLED 显示器容易受到潮湿、受热和紫外线的影响。在波长接近 400 nm 的紫外线下环境下暴露，OLED 显
示器性能会退化。而东丽开发的 Picasus UV 薄膜可以实现遮挡几乎全部 410 nm 以下的紫外光，同时仍允许 92%

的可见光通过该材料。东丽已经开始向潜在客户销售 Picasus UV，预计这类新材料将用于 OLED 智能手机的覆
盖膜和触摸传感器，并用作圆偏振器的偏光保护膜。
摘编自“中国化工报”
(R-03)
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·38· 第 45 卷 第 12 期